UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eT9TmGDVtI5U2F35ff3TQkrcqxd0QGX4X9e9XcknXRY=' 
WHERE 
  key_id = '6a0fe1ecf6fe04967d17b890cf1b0f1c90b55fc46840f76c6ef7506fcc84a78f' 
  AND (
    token = 'eT9TmGDVtI5U2F35ff3TQkrcqxd0QGX4X9e9XcknXRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )